Models of Communication 

1. Aristotle model of Communication:  

• This is the first basic Persuasive model of Communication. Have three element 
  • Speaker– who speak
  • Speech– (message) individual produce
  • Audience–  who listens.

2 (Rudimentary) Model of Communication:  

• Propaganda and mass media analyst, has defined Communication with reference to five questions. 
• i) Who Says, ii) what, iii) In which channel, iv) to whom, v) Under what circumstances, vi) With what effect
• Provide a simple, One way model of communication.
• This model helped in political communication, propaganda & political symbolism.

3. Schramm’s Model of communication

• Source ➖ Encoder➖ Signal ➖Decoder ➖ Receiver
• The source must be encode as a signal, and a receiver, who must decode a signal. This model of Communication is particularly relevant for mass media.

4. Shanon and Weaver Model of Communication: 

• also known as Information Theory It have 5 element of Communication (STSRD)
• Also known as Mathematical theory of Communication Best suited to broadcasting of farm information. 
• Noiseis an important element in this model. (Some unwanted disturbances such as sound in the case of radio, television etc. during transmission og signals is called noise)
• He Saw 3 Level of problems in the communication of information
  • Technical (Accuracy of transfer of information from the sender to receiver, through signals, symbols)
  • Semantic (Interpretation of meaning by the receiver)
  • Influential (Success with which the meaning conveyed to the receiver lead to the desirable behaviour on his part)
• In oral speech the information source is the brain, the transmitter is the voicemechanism, producing the various sound pressure is signal, which is transmitted through the air is

5. Berlo Model of Communication (1960)

it have 6 element 

• Source is originated of message, 
• Code is a system of signals for Communication, 
• Encode means put the message in the code, 
• Channel is the medium through which signal move, 
• Decode means convert the message in the code in ordinary language which may be easily understood by audience.

• The Process of Mass Communication book written by Berlo.
• Behaviour emphasis done by berlo.

6. Leagan ‘s Model of Communication (1963): It have 6 element 1. Communicator 2.Message, 3. Channel 4. Treatment. 5. Audience, 6. Audience response. This model of communication provide incentives for change. In this model a skill full communicator sending useful message through proper channel with effective treatment to the appropriate audience that response as desire. This model is best applicable in field Extension work.

7. Rogers and Shoemaker Model of Communication: 

• Have 5 element are 
• (Source)—– (Message) —– (Channel) —– (Receiver)—– (Effect.)
• The Communication model suited to reading newspaper Barkner Wiseman model.

Theories of Communication

• Linguistic theory: Linguistic theory of Communication given by Williams The primary subject matter of linguistic theory is the spoken language. Meaning are in people not in words is related to linguistic theory of Communication.
• Psycholinguistics Theory: Provide us with ideas about the nature of coding behaviour whereas linguistics helps our thinking about code.

• Theory of Mass Communication was given by Defleur.
• Balance theory of Communication given by Heiher.
• Role Taking theory given by George mead.
• Purpose of Communication is consummatory and instrumental given by Festinger
• Medium is the message said by Mchulan
• Communication IQ given by 
• Communication Competency given by hymes
• Key Communicator concept given by
• The Communication that occur through body language is40 %.
• While message verbally, message distored up to 30%.
• On an average, personal spend how much time in communicating verbally 70%
• Communication occurs through various senses shown by; Haas and Parker (1964): Sigh :  87%, Hear : 7%, Smell : 3.5%, Touch : 1.5%, Taste : 1%